Log Message:-----------Some marginal editorial improvements and updates in the tutorial.
Modified Files:-------------- pgsql/doc/src/sgml: advanced.sgml (r1.51 -> r1.52) (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/advanced.sgml.diff?r1=1.51&r2=1.52) query.sgml (r1.47 -> r1.48) (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/query.sgml.diff?r1=1.47&r2=1.48) start.sgml (r1.42 -> r1.43) (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/start.sgml.diff?r1=1.42&r2=1.43)